.middle {
    width: 100%;
    height: auto;
    left: 0;
    right: 0;
}
.middle-section {
    width: 100%;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
}
.middle-container {
    width: 1064px;
    height: 100%;
    line-height: 100%;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
}
.project-name {
    width: auto;
    max-width: 1064px;
    left: 0;
    right: 0;
    margin-top: 30px;
    font-size: x-large;
    color: #1989FA;
}
.paint-tool {
    margin-top: 30px;
}
.save_btn {
    background-color: #1989FA;
    color: #ffffff;
    float: right;
}
.auto_btn {
    background-color: #1989FA;
    color: #ffffff;
}
.paint-window {
    height: 600px;
    min-height: 600px;
    margin-top: 30px;
    background-color: rgba(200, 200, 200, .8);
}
.canvas {
    width:100%;
    height:100%;
    background-color: rgba(0, 0, 0, 1);
}
.footer {
    position: fixed;
    width: 100%;
    height: auto;
    margin:auto;
    left:0;
    right:0;
    bottom: 0;
}
.footer-container {
    width: 1064px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
}
.footer-bottom {
    width: 1064px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
    font-size: small;
    color: #AAAAAA;
}
.go-top {
    width: 45px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    position: fixed;
    bottom:100px;
    background-color: #1989FA;
    cursor:pointer;
    left: 94%;
    display: none;
    font-size: 13px;
    z-index:999;
}
.go-top img {
    width: 25px;
    height: 20px;
    vertical-align: middle;
}
.go-top:hover {
    background-color: #0767D8;
}
.cover {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background-color: #000000;
    z-index: 20;
    display: none;
}
.note_container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-left: auto;
    margin-right: auto;
    width: 1064px;
    text-align: center;
    color: #ffffff;
    font-size: x-large;
    display: none;
}
.note_text {
    display: none;
}
.note_confirm_btn {
    margin-top: 16px;
}
